/*
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* Copyright (C) 2008 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.zxing.scanner.encode;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import android.os.Bundle;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.WriterException;
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import com.google.zxing.client.result.ParsedResultType;
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/**
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* This class encodes data from an Intent into a QR code, and then displays it
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* full screen so that another person can scan it with their device.
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*
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* @author dswitkin@google.com (Daniel Switkin)
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*/
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public final class QREncode {
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private QRCodeEncoder mQRCodeEncoder;
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private QREncode() {
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}
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private QREncode(QRCodeEncoder codeEncoder) {
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this.mQRCodeEncoder = codeEncoder;
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}
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/**
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* {@linkplain Builder#build()} () QREncode.Builder().build()}
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*
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* @return
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*/
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public Bitmap encodeAsBitmap() {
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try {
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return mQRCodeEncoder.encodeAsBitmap();
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} catch (WriterException e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* @param codeEncoder {@linkplain Builder#buildDeprecated()} () QREncode.Builder()
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* .buildDeprecated()}
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* @return
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*/
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@Deprecated
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public static Bitmap encodeQR(QRCodeEncoder codeEncoder) {
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try {
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return codeEncoder.encodeAsBitmap();
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} catch (WriterException e) {
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e.printStackTrace();
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}
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return null;
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}
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public static class Builder {
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private Context context;
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BarcodeFormat barcodeFormat;
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private ParsedResultType parsedResultType = ParsedResultType.TEXT;
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private Bundle bundle;
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private String contents;//原内容
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private String encodeContents;//编码内容
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private int color;//颜色
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private int[] colors;
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private Uri addressBookUri;
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private boolean useVCard = true;
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private int size;
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private Bitmap logoBitmap;
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private int logoSize;
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private Bitmap qrBackground;
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private int margin = 4;
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public Builder(Context context) {
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this.context = context;
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}
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BarcodeFormat getBarcodeFormat() {
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return barcodeFormat;
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}
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Builder setBarcodeFormat(BarcodeFormat barcodeFormat) {
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this.barcodeFormat = barcodeFormat;
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return this;
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}
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ParsedResultType getParsedResultType() {
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return parsedResultType;
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}
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/**
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* 设置二维码类型
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*
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* @param parsedResultType {@linkplain ParsedResultType ParsedResultType}
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* @return
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*/
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public Builder setParsedResultType(ParsedResultType parsedResultType) {
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this.parsedResultType = parsedResultType;
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return this;
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}
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Uri getAddressBookUri() {
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return addressBookUri;
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}
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/**
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* 设置联系人Uri
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*
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* @param addressBookUri
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*/
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public Builder setAddressBookUri(Uri addressBookUri) {
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this.addressBookUri = addressBookUri;
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return this;
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}
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Bundle getBundle() {
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return bundle;
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}
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/**
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* 设置内容，当 ParsedResultType 是 ADDRESSBOOK 、GEO 类型
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*
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* @param bundle
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* @return
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*/
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public Builder setBundle(Bundle bundle) {
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this.bundle = bundle;
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return this;
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}
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String getContents() {
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return contents;
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}
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/**
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* 二维码内容
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*
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* @param contents tel、email等不需要前缀
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* @return
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*/
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public Builder setContents(String contents) {
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this.contents = contents;
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return this;
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}
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String getEncodeContents() {
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return encodeContents;
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}
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Builder setEncodeContents(String encodeContents) {
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this.encodeContents = encodeContents;
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return this;
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}
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int getColor() {
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return color;
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}
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/**
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* 设置二维码颜色
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*
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* @param color
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* @return
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*/
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public Builder setColor(int color) {
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this.color = color;
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return this;
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}
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int[] getColors() {
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return colors;
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}
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/**
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* 设置二维码颜色
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*
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* @param leftTop 左上
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* @param leftBottom 左下
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* @param rightBottom 右下
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* @param rightTop 右上
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* @return
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*/
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public Builder setColors(int leftTop, int leftBottom, int rightBottom, int rightTop) {
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this.colors = null;
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this.colors = new int[4];
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this.colors[0] = leftTop;
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this.colors[1] = leftBottom;
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this.colors[2] = rightBottom;
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this.colors[3] = rightTop;
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return this;
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}
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boolean isUseVCard() {
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return useVCard;
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}
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/**
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* 设置vCard格式，默认true
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*
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* @param useVCard
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* @return
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*/
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public Builder setUseVCard(boolean useVCard) {
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this.useVCard = useVCard;
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return this;
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}
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/**
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* 二维码大小
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*
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* @param size
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* @return
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*/
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public Builder setSize(int size) {
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this.size = size;
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return this;
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}
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int getSize() {
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return size;
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}
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/**
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* 二维码中间的logo
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*
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* @param logoBitmap
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* @return
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*/
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public Builder setLogoBitmap(Bitmap logoBitmap) {
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this.logoBitmap = logoBitmap;
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return this;
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}
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/**
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* 二维码中间的logo，logoSize不能大于 Math.min(logoBitmap.getWidth(), logoBitmap.getHeight())
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*
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* @param logoBitmap
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* @param logoSize
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* @return
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*/
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public Builder setLogoBitmap(Bitmap logoBitmap, int logoSize) {
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this.logoBitmap = logoBitmap;
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this.logoSize = logoSize;
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return this;
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}
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Bitmap getLogoBitmap() {
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return logoBitmap;
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}
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int getLogoSize() {
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return logoSize;
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}
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/**
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* 设置二维码背景
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*
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* @param background
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* @return
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*/
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public Builder setQrBackground(Bitmap background) {
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this.qrBackground = background;
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return this;
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}
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Bitmap getQrBackground() {
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return qrBackground;
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}
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/**
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* 设置二维码边框
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*
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* @param margin 范围值：0-4
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* @return
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*/
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public Builder setMargin(int margin) {
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this.margin = margin;
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return this;
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}
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int getMargin() {
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return margin;
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}
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/**
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* @return
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* @deprecated {@link #build()}
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*/
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@Deprecated
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public QRCodeEncoder buildDeprecated() {
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checkParams();
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QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(this, context.getApplicationContext());
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return qrCodeEncoder;
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}
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public QREncode build() {
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checkParams();
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QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(this, context.getApplicationContext());
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return new QREncode(qrCodeEncoder);
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}
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private void checkParams() {
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if (context == null)
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throw new IllegalArgumentException("context no found...");
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if (parsedResultType == null) {
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throw new IllegalArgumentException("parsedResultType no found...");
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}
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if (parsedResultType != ParsedResultType.ADDRESSBOOK && parsedResultType !=
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ParsedResultType.GEO && contents == null) {
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throw new IllegalArgumentException("parsedResultType not" +
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" ParsedResultType.ADDRESSBOOK and ParsedResultType.GEO, contents no " +
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"found...");
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}
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if ((parsedResultType == ParsedResultType.ADDRESSBOOK || parsedResultType ==
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ParsedResultType.GEO)
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&& bundle == null && addressBookUri == null) {
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throw new IllegalArgumentException("parsedResultType yes" +
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" ParsedResultType.ADDRESSBOOK or ParsedResultType.GEO, bundle and " +
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"addressBookUri no found...");
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}
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}
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}
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}
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